I build infrastructure that survives reality. I am a Site Reliability Engineer based in Singapore. I manage AWS, write Terraform, and untangle complex Kubernetes environments. I fix complex system failures before they become public outages and build things to last.
Bachelor of Engineering, majoring in Informatics Engineering/Computer Science.
Working as Site Reliability Engineer at Thales, Singapore.
1. Managing AWS and Terraform representing all of application and system infrastructures in AWS and in the form of IAC (Terraform) configurations, with Github Actions, S3 to store Terraform state, and Atlantis to self-service the apply of general IAC.
2. Co-leading and implementing Traveloka WAF rules from First-Rule-Group to First-Middle-Last Rule Group, speeding up development experience by 25% and making security reconfigurations be more agile.
3. Saving cloud costs by reconfiguring infrastructure from NAT to AWS Transit Gateway.
4. Co-leading and assist product teams to migrating Cloudfront resources using WAF Classic to WAFv2.
5. Rotating Regular On-Call for maintaining Traveloka system healthy 24/7 across the year.
6. Migrating Terraform stack to Terragrunt for efficiency and enhancing IAC readability.
1. Assigned to SPBE/Sistem Pemerintahan Berbasis Elektronik/Electronic-based Government System (Project owned by Indonesian Ministry of Communication and Informatics). The project consists of subproject such as Electronic System Organizer/PSE/Penyelenggara Sistem Elektronik, mail servers for the government, PDNS/Pusat Data Nasional Sementara/Temporary National Data Center, SIDEKA/Sistem Informasi Pelayanan Desa/Village Service Information System, Sistem Pengelolaan Pengaduan Pelayanan Publik Nasional/SP4N/National Public Service Complaint Management System, etc.
2. Setting up Netbox and integrating it with HashiCorp Vault and migrating the majority of server information, IP addresses, credentials, etc. from Google Spreadsheet to the platform.
3. Troubleshooting infrastructure problems such as database PostgreSQL in Kubernetes environment.
Built and maintained core AliCloud infrastructure, including Kubernetes, Redis, and CI/CD pipelines.
Administered Kubernetes for deployments, cronjobs, Kafka, and Keycloak.
Configured WAF and Anti-DDoS to secure production environments.
Set up GitLab CI/CD pipelines and centralized logging with AliCloud Log Service.
Managed ApsaraDB RDS instances across development, staging, and production environments.
Automated deployments for Node.js applications.
Deployed and troubleshot applications running on AWS ECS.
Wrote Linux scripts to automate emails and verify file integrity hourly using AIDE.
Optimized file-monitoring scripts. I cut the CPU usage and execution time to make alerts trigger faster.
Deployed an AWS OpenVPN Access Server to secure remote client-to-client communication.
Planned a DNS migration from 4PSA to PowerDNS and synchronized it with Plesk.
Upwork profile: https://www.upwork.com/freelancers/~01f8124f7d4fb15080
1. Working with 23 people in DevOps Enabler Team (Later moved to Observability team).
2. Enhancing Jenkins with Jenkins-as-a-code plugin to automate configuration changes with minimal effort.
3. Enhancing Tokopedia Observability by integrating NewRelic to some of its internal tools.
1. Establish, deploy, and maintain part of the IT infrastructure of Seleksi Nasional Berdasarkan Prestasi (SNBP) 2023 under Balai Pengelolaan Pengujian Pendidikan (BPPP) Kemdikbud RI using Google Cloud Platform (GCP).
2. Monitor Google Cloud Platform logs to report any incidents or errors to solve it with the developers team.
3. Improving utility programs used for converting raw data to production format with speed up to 10x faster.
4. This system is used by 678,407 students, 21,702 senior high schools, and 137 Public Universities in Indonesia.
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